/* =========================================================
   BPN Global Technologies — Design Tokens
   Brilliance (brass) · Precision (signal blue) · Networks (ink)
   ========================================================= */
:root{
  --ink:        #000C2F;
  --ink-2:      #071B45;
  --ink-3:      #0F2657;
  --paper:      #F5F6F8;
  --paper-2:    #FFFFFF;
  --steel:      #4A5568;
  --steel-2:    #7C8A9E;
  --brass:      #C9962B;
  --brass-dark: #96661A;
  --brass-light:#FFD22D;
  --signal:     #0E7FA8;
  --signal-2:   #56DDF8;
  --line:       #DCE1E8;
  --line-dark:  #17285A;

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --maxw: 1220px;
  --radius: 6px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink);
  margin:0 0 .5em;
  line-height:1.12;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem,5vw,4.2rem); font-weight:600; }
h2{ font-size:clamp(1.9rem,3.4vw,2.75rem); font-weight:600; }
h3{ font-size:1.35rem; font-weight:600; }
h4{ font-size:1.05rem; font-weight:600; }

p{ margin:0 0 1em; color:var(--steel); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass-dark);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1em;
}
.eyebrow::before{
  content:'';
  width:24px; height:1px;
  background:var(--brass-dark);
  display:inline-block;
}
/* On dark backgrounds, use the brighter gold — it has stronger contrast against navy */
.hero .eyebrow, .section-ink .eyebrow, .page-hero .eyebrow{ color:var(--brass-light); }
.hero .eyebrow::before, .section-ink .eyebrow::before, .page-hero .eyebrow::before{ background:var(--brass-light); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family:var(--font-mono);
  font-size:.82rem;
  letter-spacing:.03em;
  text-transform:uppercase;
  padding:.95em 1.6em;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{ background:var(--brass); color:var(--ink); border-color:var(--brass); }
.btn-primary:hover{ background:var(--brass-light); border-color:var(--brass-light); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--paper-2); border-color:rgba(245,246,248,.35); }
.btn-ghost:hover{ border-color:var(--paper-2); background:rgba(245,246,248,.08); }
.btn-dark{ background:var(--ink); color:var(--paper-2); border-color:var(--ink); }
.btn-dark:hover{ background:var(--ink-2); transform:translateY(-1px); }
.btn-outline{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-outline:hover{ border-color:var(--ink); }
.btn svg{ width:14px; height:14px; transition:transform .25s var(--ease); }
.btn:hover svg{ transform:translateX(3px); }

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:200;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.nav{
  max-width:var(--maxw); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logo{ display:flex; align-items:center; gap:.75em; color:var(--paper-2); }
.logo-mark{
  height:44px; width:auto; flex:none;
  object-fit:contain;
  display:block;
}
.logo-text{ font-family:var(--font-display); font-weight:600; font-size:1.02rem; letter-spacing:.01em; line-height:1.2; display:flex; flex-direction:column; justify-content:center; }
.logo-text small{ display:block; font-family:var(--font-mono); font-size:.6rem; letter-spacing:.12em; color:var(--brass-light); text-transform:uppercase; font-weight:400; margin-top:2px; }

.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.nav-links > li > a{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:rgba(245,246,248,.75);
  padding:.5em 0;
  border-bottom:1px solid transparent;
  transition:color .2s, border-color .2s;
  display:flex; align-items:center; gap:.4em;
}
.nav-links > li > a:hover,
.nav-links > li.active > a{ color:var(--paper-2); border-color:var(--brass); }
.nav-links > li{ position:relative; }

.has-dropdown > a svg{ width:10px; height:10px; transition:transform .2s; }
.has-dropdown:hover > a svg{ transform:rotate(180deg); }

.dropdown{
  position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(6px);
  width:300px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 24px 48px -12px rgba(0,12,47,.35);
  padding:10px;
  opacity:0; visibility:hidden;
  transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index:50;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; transform:translateX(-50%) translateY(10px);
}
.dropdown a{
  display:flex; flex-direction:column; gap:2px;
  padding:.7em .8em;
  border-radius:4px;
  color:var(--ink);
  transition:background .15s;
}
.dropdown a:hover{ background:var(--paper); }
.dropdown a strong{ font-size:.86rem; font-weight:600; }
.dropdown a span{ font-size:.76rem; color:var(--steel-2); }

.nav-cta{ display:flex; align-items:center; gap:1.4rem; }

.nav-toggle{ display:none; background:none; border:none; color:var(--paper-2); cursor:pointer; padding:6px; }
.nav-toggle svg{ width:24px; height:24px; }

/* =========================================================
   Hero (home) — network canvas
   ========================================================= */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--paper-2);
  overflow:hidden;
  padding:120px 0 100px;
}
.hero canvas{
  position:absolute; inset:0; width:100%; height:100%;
  opacity:.55;
}
.hero::after{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(0,12,47,.15) 0%, rgba(0,12,47,.55) 60%, var(--ink) 100%);
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; max-width:820px; }
.hero-inner-split{
  max-width:none;
  display:grid;
  grid-template-columns:1.1fr .8fr;
  gap:40px;
  align-items:center;
}
.hero-copy{ max-width:640px; }
.hero-mark{ display:flex; justify-content:center; align-items:center; position:relative; }
.hero-mark img{
  width:min(380px, 100%);
  height:auto;
  filter:drop-shadow(0 30px 60px rgba(0,12,47,.55));
  animation:float-mark 7s ease-in-out infinite;
}
@keyframes float-mark{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-14px); }
}
@media (prefers-reduced-motion: reduce){
  .hero-mark img{ animation:none; }
}
.hero h1{ color:var(--paper-2); }
.hero h1 .accent{ color:var(--brass-light); }
.hero-lede{ font-size:1.18rem; color:rgba(245,246,248,.72); max-width:640px; margin-bottom:2.2em; }
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.trio{
  position:relative; z-index:2;
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line-dark);
  margin-top:80px;
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
}
.trio-item{ background:var(--ink); padding:28px 30px; }
.trio-item .letter{ font-family:var(--font-display); font-size:2.1rem; color:var(--brass-light); font-weight:600; }
.trio-item .word{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(245,246,248,.55); margin:.4em 0 .5em; }
.trio-item p{ color:rgba(245,246,248,.68); font-size:.9rem; margin:0; }

/* Page hero (interior pages) */
.page-hero{
  background:var(--ink);
  color:var(--paper-2);
  padding:80px 0 68px;
  position:relative;
  overflow:hidden;
}
.page-hero .wrap{ position:relative; z-index:2; }
.page-hero h1{ color:var(--paper-2); max-width:780px; }
.page-hero .lede{ color:rgba(245,246,248,.72); max-width:640px; font-size:1.08rem; margin-top:.8em; }
.page-hero .dots{
  position:absolute; inset:0; opacity:.25;
  background-image:radial-gradient(circle, rgba(255,210,45,.45) 1px, transparent 1px);
  background-size:26px 26px;
}
.breadcrumb{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--brass-light); display:flex; gap:.6em; align-items:center; margin-bottom:1.4em;
}
.breadcrumb a{ color:rgba(245,246,248,.55); }
.breadcrumb a:hover{ color:var(--paper-2); }

.about-hero-grid{ display:grid; grid-template-columns:1.3fr .7fr; gap:40px; align-items:center; }
.about-hero-mark{ display:flex; justify-content:center; }
.about-hero-mark img{ width:min(320px,100%); height:auto; filter:drop-shadow(0 24px 48px rgba(0,12,47,.5)); }
@media (max-width:980px){
  .about-hero-grid{ grid-template-columns:1fr; }
  .about-hero-mark{ order:-1; margin-bottom:8px; }
  .about-hero-mark img{ width:160px; }
}

/* =========================================================
   Sections / generic layout
   ========================================================= */
section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
.section-alt{ background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-ink{ background:var(--ink); color:var(--paper-2); }
.section-ink p{ color:rgba(245,246,248,.7); }
.section-ink h2{ color:var(--paper-2); }

.section-head{ max-width:680px; margin-bottom:56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.grid{ display:grid; gap:28px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-5{ grid-template-columns:repeat(5,1fr); }

/* Service cards (home overview) */
.service-card{
  background:var(--brass-light);
  border:1px solid transparent;
  border-radius:var(--radius);
  padding:34px 30px;
  transition:border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
  display:flex; flex-direction:column; height:100%;
}
.service-card:hover{
  border-color:var(--ink);
  transform:translateY(-4px);
  box-shadow:0 20px 40px -18px rgba(0,12,47,.35);
}
.service-card .num{ font-family:var(--font-mono); color:var(--ink); opacity:.7; font-size:.78rem; letter-spacing:.1em; margin-bottom:1em; }
.service-card h3{ margin-bottom:.5em; color:var(--ink); }
.service-card p{ font-size:.94rem; flex:1; color:#1B2A44; }
.service-card .go{
  margin-top:1.4em; font-family:var(--font-mono); font-size:.76rem; text-transform:uppercase; letter-spacing:.06em;
  color:var(--ink); display:flex; align-items:center; gap:.5em; font-weight:600;
}
.service-card .go svg{ width:12px; height:12px; transition:transform .2s var(--ease); }
.service-card:hover .go svg{ transform:translateX(4px); }

/* Offering list (service detail pages) */
.offer-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.offer-item{ background:var(--paper-2); padding:26px 28px; display:flex; gap:16px; }
.offer-item .tick{ flex:none; width:20px; height:20px; margin-top:2px; color:var(--brass); }
.offer-item strong{ display:block; font-family:var(--font-display); font-size:1rem; margin-bottom:.25em; color:var(--ink); }
.offer-item span{ font-size:.88rem; color:var(--steel); }

/* Stats bar */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line-dark); }
.stat{ background:var(--ink); padding:34px 26px; text-align:left; }
.stat b{ font-family:var(--font-display); font-size:1.584rem; color:var(--brass-light); display:block; font-weight:600; }
.stat span{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:rgba(245,246,248,.6); }

/* Process / approach steps */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.step{ position:relative; padding-top:26px; border-top:2px solid var(--brass); }
.step .idx{ font-family:var(--font-mono); font-size:.75rem; color:var(--brass); margin-bottom:.8em; display:block; }

/* Values grid */
.value-card{ padding:28px 0; border-top:1px solid var(--line); }
.value-card:first-child{ border-top:none; }
.value-card .row{ display:flex; justify-content:space-between; align-items:baseline; gap:20px; }
.value-card h4{ margin:0; }
.value-card p{ margin:.6em 0 0; max-width:640px; }

/* Two column feature */
.feature{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-media{
  aspect-ratio:4/3.2; border-radius:var(--radius); overflow:hidden;
  background:var(--ink); position:relative;
}
.feature-media svg{ width:100%; height:100%; }

/* Quote / testimonial-style approach block */
.pillar-quote{
  border-left:3px solid var(--brass);
  padding-left:28px;
  font-family:var(--font-display);
  font-size:1.5rem;
  font-weight:500;
  color:var(--ink);
  max-width:760px;
}

/* CTA band */
.cta-band{
  background:var(--ink);
  color:var(--paper-2);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band .dots{ position:absolute; inset:0; opacity:.18; background-image:radial-gradient(circle, rgba(255,210,45,.5) 1px, transparent 1px); background-size:24px 24px; }
.cta-row{ display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; position:relative; z-index:2; }
.cta-row h2{ color:var(--paper-2); margin:0; max-width:520px; }

/* Services page sticky sub-nav */
.service-subnav{
  position:sticky; top:76px; z-index:150;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.service-subnav .wrap{
  display:flex; gap:10px; overflow-x:auto;
  padding-top:16px; padding-bottom:16px;
  scrollbar-width:thin;
}
.service-subnav a{
  font-family:var(--font-mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.05em;
  padding:.65em 1.1em; border:1px solid transparent; border-radius:20px;
  white-space:nowrap; color:var(--ink); flex:none; font-weight:600;
  background:var(--brass-light);
  transition:border-color .2s, color .2s, background .2s, transform .2s;
}
.service-subnav a:hover{ border-color:var(--ink); transform:translateY(-1px); }
.service-subnav a.is-active{ border-color:var(--ink); background:var(--ink); color:var(--brass-light); }

.service-block{ scroll-margin-top:150px; padding:88px 0; }
.service-block-head{ max-width:720px; margin-bottom:44px; }
.service-block-head .lede-p{ font-size:1.05rem; color:var(--steel); margin-top:.6em; }
.service-block .offer-list{ max-width:none; }
.contact-grid{ display:grid; grid-template-columns:1fr 1.1fr; gap:60px; }
.contact-info-item{ padding:22px 0; border-top:1px solid var(--line); }
.contact-info-item:first-child{ border-top:none; }
.contact-info-item .eyebrow{ margin-bottom:.5em; }
.contact-info-item p{ margin:0; }

.form{ display:grid; gap:18px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:.5em; }
.field label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--steel); }
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:.95rem; color:var(--ink);
  padding:.85em 1em; border:1px solid var(--line); border-radius:4px; background:var(--paper-2);
  transition:border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--signal); }
.field textarea{ resize:vertical; min-height:130px; }
.form-status{ font-family:var(--font-mono); font-size:.82rem; color:var(--signal); min-height:1.2em; }

.field-checkbox{ flex-direction:row; }
.checkbox-label{
  display:flex; align-items:flex-start; gap:.7em;
  font-size:.88rem; color:var(--steel); cursor:pointer; line-height:1.5;
}
.checkbox-label input[type="checkbox"]{
  flex:none; width:18px; height:18px; margin-top:2px;
  accent-color:var(--signal); cursor:pointer;
}
.checkbox-label a{ color:var(--signal); text-decoration:underline; }

/* Data & Privacy Notice modal */
.modal-overlay{
  position:fixed; inset:0; z-index:500;
  background:rgba(0,12,47,.72);
  display:flex; align-items:center; justify-content:center;
  padding:24px;
  opacity:0; visibility:hidden;
  transition:opacity .25s var(--ease), visibility .25s var(--ease);
}
.modal-overlay.open{ opacity:1; visibility:visible; }
.modal{
  position:relative;
  background:var(--paper-2);
  border-radius:var(--radius);
  max-width:640px; width:100%;
  max-height:85vh; overflow-y:auto;
  padding:44px 40px;
  transform:translateY(16px);
  transition:transform .25s var(--ease);
}
.modal-overlay.open .modal{ transform:translateY(0); }
.modal-close{
  position:absolute; top:20px; right:20px;
  width:32px; height:32px; border-radius:50%;
  border:1px solid var(--line); background:var(--paper);
  color:var(--steel); cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:border-color .2s, color .2s;
}
.modal-close:hover{ border-color:var(--ink); color:var(--ink); }
.modal-close svg{ width:14px; height:14px; }
.modal h3{ font-size:1.2rem; margin-bottom:.6em; padding-right:30px; }
.modal > p{ max-width:none; }
.privacy-list{ margin:20px 0; display:grid; gap:14px; }
.privacy-list li{ display:flex; gap:12px; align-items:flex-start; font-size:.92rem; color:var(--steel); }
.privacy-list .tick{ flex:none; width:18px; height:18px; margin-top:2px; color:var(--brass-dark); }
.privacy-list a{ color:var(--signal); text-decoration:underline; }
.privacy-fine{ font-size:.8rem; color:var(--steel); line-height:1.6; padding-top:16px; border-top:1px solid var(--line); margin-bottom:0; }
@media (max-width:600px){
  .modal{ padding:32px 24px; }
}
.form-consent{ font-size:.82rem; color:var(--steel); line-height:1.5; margin:-6px 0 4px; }
.form-consent a{ color:var(--signal); text-decoration:underline; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--ink); color:rgba(245,246,248,.7); padding:72px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:56px; }
.footer-brand .logo{ margin-bottom:1.2em; }
.footer-brand .logo-mark{ height:52px; width:auto; }
.footer-brand p{ color:rgba(245,246,248,.55); font-size:.9rem; max-width:280px; }
.footer-col h4{ color:var(--paper-2); font-size:.78rem; font-family:var(--font-mono); letter-spacing:.1em; text-transform:uppercase; margin-bottom:1.2em; }
.footer-col li{ margin-bottom:.75em; }
.footer-col a{ color:rgba(245,246,248,.6); font-size:.9rem; transition:color .2s; }
.footer-col a:hover{ color:var(--brass-light); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; border-top:1px solid var(--line-dark); font-family:var(--font-mono); font-size:.75rem; color:rgba(245,246,248,.4); flex-wrap:wrap; gap:12px; }

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .hero-inner-split{ grid-template-columns:1fr; text-align:left; }
  .hero-mark{ order:-1; margin-bottom:8px; }
  .hero-mark img{ width:180px; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .grid-5{ grid-template-columns:repeat(3,1fr); }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:1fr 1fr; }
  .feature{ grid-template-columns:1fr; gap:36px; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .offer-list{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .nav-links{
    position:fixed; inset:76px 0 0 0; height:calc(100vh - 76px);
    background:var(--ink); flex-direction:column; align-items:flex-start;
    padding:32px; gap:0; overflow-y:auto;
    transform:translateX(100%); transition:transform .3s var(--ease);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links > li{ width:100%; border-bottom:1px solid var(--line-dark); }
  .nav-links > li > a{ padding:1.1em 0; width:100%; justify-content:space-between; }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; width:100%; box-shadow:none; display:none; margin-bottom:10px; }
  .has-dropdown.open .dropdown{ display:block; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .grid-2, .grid-3, .grid-5{ grid-template-columns:1fr; }
  .trio{ grid-template-columns:1fr; }
  .stats{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .cta-row{ flex-direction:column; align-items:flex-start; }
  .value-card .row{ flex-direction:column; gap:6px; }
  section{ padding:64px 0; }
  .wrap{ padding:0 22px; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}